1. Department of Parasitology, Leiden University Medical Centre, L4-Q, PO Box 9600, 2333 ZA Leiden, The Netherlands
2. Department of Medical Microbiology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
3. Department of Infectious Diseases, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
4. Centre of Tropical Medicine and Travel Medicine, Amsterdam University Medical Centres, AMC, University of Amsterdam, 1100 DD Amsterdam, The Netherlands
5. Occupational Health and Safety Service, Amsterdam University Medical Centres, AMC, University of Amsterdam, 1100 DD Amsterdam, The Netherlands
6. Institute for Tropical Diseases, Erasmus University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
7. Department of Cell and Chemical Biology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands